What is the midline equation of y = -4sin (2x - 7) + 3?

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

Write each of the following numerals in base 10. for base twelve, t and e represent the face values ten and eleven, respectively. 114 base 5 89t base 12